高中数学代数与函数一函数练习题78
题目内容

函数 http://picflow.koolearn.com/upload/2012-11/14/1fce9aa4-c26b-427d-bdf7-5ea3c4d37b6c/paper.files/image001.png= http://picflow.koolearn.com/upload/2012-11/14/1fce9aa4-c26b-427d-bdf7-5ea3c4d37b6c/paper.files/image002.png的定义域为( )

2021-08-04

A.[1,+∞)

B.(http://picflow.koolearn.com/upload/2012-11/14/1fce9aa4-c26b-427d-bdf7-5ea3c4d37b6c/paper.files/image003.png,1]

C.(http://picflow.koolearn.com/upload/2012-11/14/1fce9aa4-c26b-427d-bdf7-5ea3c4d37b6c/paper.files/image003.png,+∞)

D.[http://picflow.koolearn.com/upload/2012-11/14/1fce9aa4-c26b-427d-bdf7-5ea3c4d37b6c/paper.files/image003.png,1]

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